<template>
  <div class="screen-container" :style="containerStyle">
    <header class="screen-header">
      <div><img :src="handerSrc" alt="" /></div>
      <!-- <span class="logo"> <img src="/static/img/logo_dark.png" alt="" /> </span> -->
      <span class="title">电商平台实时监控系统</span>
      <div class="title-right">
        <img :src="themeSrc" class="qiehuan" @click="handleChangeTheme" /> <span class="datetime">{{ nowTime }}</span>
      </div>
    </header>
    <div class="screen-body">
      <section class="screen-left">
        <div id="left-top" :class="[fullScreenStatus.trend ? 'fullscreen' : '']">
          <!-- 销量趋势图表 -->
          <Trend ref="trend"> </Trend>
          <div class="resize">
            <span @click="handleFullScreen('trend')" :class="['iconfont', fullScreenStatus.trend ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="left-bottom" :class="[fullScreenStatus.seller ? 'fullscreen' : '']">
          <!-- 商家销售金额图表 -->

          <Seller ref="seller"> </Seller>
          <div class="resize">
            <span @click="handleFullScreen('seller')" :class="['iconfont', fullScreenStatus.seller ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
      <section class="screen-middle">
        <div id="middle-top" :class="[fullScreenStatus.map ? 'fullscreen' : '']">
          <!-- 商家分布图表 -->
          <Map ref="map"> </Map>
          <div class="resize">
            <span @click="handleFullScreen('map')" :class="['iconfont', fullScreenStatus.map ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="middle-bottom" :class="[fullScreenStatus.rank ? 'fullscreen' : '']">
          <!-- 地区销量排行图表 -->
          <Rank ref="rank"> </Rank>
          <div class="resize">
            <span @click="handleFullScreen('rank')" :class="['iconfont', fullScreenStatus.rank ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
      <section class="screen-right">
        <div id="right-top" :class="[fullScreenStatus.hot ? 'fullscreen' : '']">
          <!-- 热销商品占比图表 -->
          <Hot ref="hot"> </Hot>
          <div class="resize">
            <span @click="handleFullScreen('hot')" :class="['iconfont', fullScreenStatus.hot ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
        <div id="right-bottom" :class="[fullScreenStatus.stock ? 'fullscreen' : '']">
          <!-- 库存销量分析图表 -->
          <Stock ref="stock"> </Stock>
          <div class="resize">
            <span @click="handleFullScreen('stock')" :class="['iconfont', fullScreenStatus.stock ? 'icon-compress-alt' : 'icon-expand-alt']"></span>
          </div>
        </div>
      </section>
    </div>
  </div>
</template>

<script>
import Hot from '@/components/Hot.vue'
import Map from '@/components/Map.vue'
import Rank from '@/components/Rank.vue'
import Seller from '@/components/Seller.vue'
import Trend from '@/components/Trend.vue'
import Stock from '@/components/Stock.vue'
import { mapState } from 'vuex'
import { getThemeValue } from '@/utils/theme_utils'
import moment from 'moment'
export default {
  data() {
    return {
      fullScreenStatus: {
        hot: false,
        map: false,
        rank: false,
        seller: false,
        trend: false,
        stock: false
      }
    }
  },
  components: {
    Hot,
    Map,
    Rank,
    Seller,
    Trend,
    Stock
  },
  methods: {
    handleFullScreen(statusChange) {
      console.log(statusChange)
      // 1.改变fullScreenStatus
      this.fullScreenStatus[statusChange] = !this.fullScreenStatus[statusChange]
      // 2.调用screenAdapter
      // nextTick()，是将回调函数延迟在下一次dom更新数据后调用，简单的理解是：当数据更新了，在dom中渲染后，自动执行该函数，
      this.$nextTick(() => {
        this.$refs[statusChange].screenAdapter()
      })
    },
    handleChangeTheme() {
      // 调用vuex的changeTheme 方法
      this.$store.commit('changeTheme')
    }
  },

  computed: {
    ...mapState(['theme']),
    containerStyle() {
      console.log(this.theme)
      return {
        color: getThemeValue(this.theme).titleColor,
        backgroundColor: getThemeValue(this.theme).backgroundColor
      }
    },
    handerSrc() {
      return '/static/img/' + getThemeValue(this.theme).headerBorderSrc
    },
    themeSrc() {
      return '/static/img/' + getThemeValue(this.theme).themeSrc
    },
    // 时间处理
    nowTime() {
      return moment().format('YYYY-MM-DD HH:mm:ss')
    }
  },
  watch: {}
}
</script>
<style lang="scss" scoped>
.screen-container {
  width: 100%;
  height: 100%;
  padding: 0 20px;
  background-color: #161522;
  color: #fff;
  box-sizing: border-box;
}
.screen-header {
  width: 100%;
  height: 64px;
  font-size: 20px;
  position: relative;
  > div {
    img {
      width: 100%;
    }
  }
  .title {
    position: absolute;
    left: 50%;
    top: 50%;
    font-size: 20px;
    transform: translate(-50%, -50%);
  }
  .title-right {
    display: flex;
    align-items: center;
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translateY(-80%);
  }
  .qiehuan {
    width: 28px;
    height: 21px;
    cursor: pointer;
  }
  .datetime {
    font-size: 15px;
    margin-left: 10px;
  }
  .logo {
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-80%);
    img {
      height: 35px;
      width: 128px;
    }
  }
}
.screen-body {
  width: 100%;
  height: 100%;
  display: flex;
  margin-top: 10px;
  .screen-left {
    height: 100%;
    width: 27.6%;

    #left-top {
      height: 53%;
      position: relative;
    }
    #left-bottom {
      height: 31%;
      margin-top: 25px;
      position: relative;
    }
  }
  .screen-middle {
    height: 100%;
    width: 41.5%;
    margin-left: 1.6%;
    margin-right: 1.6%;
    #middle-top {
      width: 100%;
      height: 56%;
      position: relative;
    }
    #middle-bottom {
      margin-top: 25px;
      width: 100%;
      height: 28%;
      position: relative;
    }
  }
  .screen-right {
    height: 100%;
    width: 27.6%;
    #right-top {
      height: 46%;
      position: relative;
    }
    #right-bottom {
      height: 38%;
      margin-top: 25px;
      position: relative;
    }
  }
}
.resize {
  position: absolute;
  right: 10px;
  top: 10px;
}

// / 全屏样式的定义
.fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  z-index: 100;
}
</style>
